Disk attachment for gang plows



1927 P. MAYER ET AL DISK ATTACHMENT FOR .GANG FLOWS Filed March 15,.1926' INVENTORS PauLMayer Fired Ve it BY 7 'ufiggggun Patented Feb. 8,1.927.;

i ED ,ST

' PAUL MAYER AND FnEn-vnir, on rem, oamrotanm;

DI'SK ATTACHMENT non GANG rnows'.

vApplication filed March 15; 1926. Serial No. 94 744.

" This invention relates to agricultural implernents and particularly toplowing or cul-,

tivating devices for usein orchard or vineyard work.

It 1s customary to plow at certain seasons between the rows of trees orvines in order to mamtam the dirt in a loosened condltlon,

and gang plowsrdrawn' by tractors are usually now used for this purpose.

W'th such plows it s practically impossible'to get, as close to thetrunks of the trees or vines as should be the .case to obtain the bestresultsfrom the plowing operations, and the ground close to said trunksis either left untouched or a hand plow is used to follow up the gangplow. This operation of:

course entails considerable expense and consumes, valuable time. i

The principal object 01. ourinvention thereforeais to provide anauxiliary plowing device, to be removably attached to a standard gangplow, so disposed and constructed as to workas close to the trunks asneedbe,

1 while at the same time being capable of giv ing laterally andtransversely ifan obstruc-T tion in the path of'the auxiliary plowis'encountered. This yielding of the auxiliary plow takes placeautomatically and not only prevents damage being done to the attachmentbut prevents the attachment from possibly damaging any roots and trunksshould the attachment be running too close to the trees. a, a

A further object of the invention is to produce a simple and inexpensivedevice and yet one which will be exceedingly eifective.

. for the purpose for which it is designed.

These objects we accomplish by means of such structure and relativearrangement of parts as will fully appear by aperusal of the followingspecification and claims, I

In the drawings similar characters of reference indicate corresponding.parts in the several views.

Fig. 1 is a plan outline of a standard gang plow showmg our auxlliaryplowing attachment applied thereto.

Figj 2is' a' plan view of the device de-' tached showingthe same in atwo-disk form. Fig. 3 is a side elevation of the supporting bracket ofthe attachment.

versely offset: plow devices :2, and 1 a c oulter Wheel -3"proj ectingrearwardly from the rear plow member 2.

Our attachment, which is readily applied to suchstandardplows,jcompr1ses a bracket consistingof a longitudinal plate 4; to beabutted againstthe outside of the outermost beam 2 near the rear curvedend thereof,

and to extend rearwardly therefrom. This plate isattached 'to the beamby a single bolt 5 which allows the plate vertical swivel; 1 movement;Formed'with the plate atits;

rear end are vertically "spaced flanges 6 whichsupport averticalspindlefor bolt 7. 1 w

Pivoted on the spindle} and projecting rearwardly from between thei'fianges is arm 8.- This arm to 'the. rearjof the flanges 1s benttransversely and away from the beam 1 for, acertain' distance, andisthenagain' 3:. bent as at 8 to extend rearwardlyat an obtuse anglewith the transversely extending-w portion of the arm.'- Atthe oi'1terand-rear end of theang'ular,portions is fixed a bearingmember 9 on whichis turnablymounted a plowing disk 1Q of' common character. This disk ispositioned inwardly of the arm portion 8? plane of the beam 1, and is ofcourse disposed rearwa'rdly of the arm 8. As is customarythe disk is setat a certain vertical.

angle both longitudinally and transversely of the line of-travel of theplow. The length and between said portion and the of the arm 8 from,front to rear is preferably such that the disk 10 is disposed adjacentthe transverse plane of the wheel 3. A spring 11 mounted in connectionwiththe supporting bracket bears against the ad-i jacent portio'n of thearm 8 and acts onthe same to normally hold the disk in its outer- J mostposition.

In operation it will be seen that the disk 7 will work the ground aconsiderable distance r to the left of the sphere .of'action of the mainplows 2, sothat said main plows may travel centrally between the rows oftrees or vines, while the disk 10 acts on the ground adjacent the trees.Being free to swing vertically, the disk can lift when passing over derthe ground, thereby preventing damgage heavy obstructions, such asroots, on or un-.

to'either the roots or the attachment. Being also able to swing inwardlyand laterally the disk itself will never contact with the trunks ofvin'es'ortrees ahead, since the angular arm portlon 8 ahead of the diskacts as guard and deflector which will strike the trunk and cause thearm attachment and the disk mounted thereon to swing inwardly on itspivot 7 so that the attachmentclears the arm member 13 which is bentforwardly and inwardly ahead of the disk 12 to approach the arm portion8 The member 18 is removably attached to said portion 8 by a suitableclamping yoke 14 provided with the arm 13. In order to prevent too greata strain being placed on the clamp 14, and insuring the disks 10 and 12being maintained parallel to each other, a brace 15'is provided toextend between the arm members 13 and 8, the brace having suitable armengaging clamps 16' at "both ends. scription it will be readily seenthat we have -produced such a device as substantially fulfills theobjects of the invention as set forth herein.

l/Vhilethisspecification sets forth in detail the present and preferredconstruction of the device, still in practice such deviations from suchdetail may be resorted'ato as'do not From the foregoing deform adeparture from the spirit of the invention, as defined by the appendedclalms. Having thus described our invention what we claim as new anduseful and desire to secure by Letters Patent is: v

1. An attachment for'plows having a main beam comprising a bracketadapted to be mounted onto the beam, an arm pivoted onto the bracket ona vertical axis and extending rearwardly therefrom, a disk mounted onthe rear end of the arm, and spring means mounted in directconnectionwith the bracket and engaging the arm to swing the same outwardlyrelative to the beam; the bracket being arranged to engage the armand'limit the outward movement thereof. 1

2; An attachment for plows having a main beam comprising a bracketadapted :to be mounted onto the beam, an arm pivoted .ontothe bracket ona verticalaxis and extending rearwardly therefrom, a disk mounted on therear end of the arm,-another arm, means on the forward end of said otherarm for vdetac-hablc clamping engagement with the first named armintermediate its ends, a diskon the rear end of said Other arm parallelto the first named disk,and atransverse brace member detachablyconnected to the second named arm intermediate its ends and to the firstnamed arm adjacent its rear end.

In testimony whereof we aflix our sigi'iatur-es.

' PAUL MAYER.

FRED vnrr.

